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A090274 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1011
1112
1213
1314
1415
1516
1617
1718
1819
1921
2022
2123
2224
2331
2432
2533
2641
2742
2851
2961
3071
3181
3291
33111
34112
35113
36114
37115
38116
39117
40118
41119
42121
43122
44123
45124
46131
47132
48133
49141
50142
51151
52161
53171
54181
55191
56211
57212
58213
59214
60221
61222
62231

[1,2,3,4,5,6,7,8,9,11,12,13,14,15,16,17,18,19,21,
 22,23,24,31,32,33,41,42,51,61,71,81,91,111,112,
 113,114,115,116,117,118,119,121,122,123,124,131,
 132,133,141,142,151,161,171,181,191,211,212,213,
 214,221,222,231]